3889913 has 2 divisors, whose sum is σ = 3889914. Its totient is φ = 3889912.

The previous prime is 3889901. The next prime is 3889933. The reversal of 3889913 is 3199883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3579664 + 310249 = 1892^2 + 557^2 .

It is an emirp because it is prime and its reverse (3199883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3889913 - 2⁸ = 3889657 is a prime.

It is not a weakly prime, because it can be changed into another prime (3889933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944956 + 1944957.

It is an arithmetic number, because the mean of its divisors is an integer number (1944957).

Almost surely, 2^3889913 is an apocalyptic number.

It is an amenable number.

3889913 is a deficient number, since it is larger than the sum of its proper divisors (1).

3889913 is an equidigital number, since it uses as much as digits as its factorization.

3889913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 3889913 is about 1972.2862368328. The cubic root of 3889913 is about 157.2702689213.

It can be divided in two parts, 388 and 9913, that added together give a palindrome (10301).

The spelling of 3889913 in words is "three million, eight hundred eighty-nine thousand, nine hundred thirteen".